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/*
 * vchat-client - alpha version
 * vchat.h - includefile with glue structures an functions
 *
 * Copyright (C) 2001 Andreas Kotes <count@flatline.de>
 *
 * This program is free software. It can be redistributed and/or modified,
 * provided that this copyright notice is kept intact. This program is
 * distributed in the hope that it will be useful, but without any warranty;
 * without even the implied warranty of merchantability or fitness for a
 * particular purpose. In no event shall the copyright holder be liable for
 * any direct, indirect, incidental or special damages arising in any way out
 * of the use of this software.
 *
 */

/* servermessage types */
typedef enum { SM_IGNORE, SM_INFO, SM_USERINFO, SM_CHANNEL, SM_ERROR } smtype;

/* servermessage structure */
struct servermessage {
  char id[4];            /* three-character message id */
  smtype type;           /* message type */
  void (*funct)(char *); /* function used by client */
  void (*hook)(char *);  /* function hook for scripting */
};
typedef struct servermessage servermessage;

/* configuration types and variable numbers */
typedef enum { CO_NIL, CO_STR, CO_INT } conftype;
typedef enum {
  CF_NIL,
  CF_NICK,
  CF_FROM,
  CF_SERVERHOST,
  CF_SERVERPORT,
  CF_CIPHERSUITE,
  CF_CONFIGFILE,
  CF_CERTFILE,
  CF_KEYFILE,
  CF_CAFILE,
  CF_FORMFILE,
  CF_LOGINSCRIPT,
  CF_FINGERPRINT,
  CF_PINFINGER,
  CF_USESSL,
  CF_TLSLIB,
  CF_IGNSSL,
  CF_VERIFYSSL,
  CF_USECERT,
  CF_PRIVHEIGHT,
  CF_PRIVCOLLAPS,
  CF_INVWINBAR,
  CF_HSCROLL,
  CF_CHANNEL,
  CF_USETIME,
  CF_USETOPIC,
  CF_SCROLLBPRIV,
  CF_SCROLLBACK,
  CF_SCROLLBPRIVT,
  CF_SCROLLBACKT,
  CF_ENCODING,
  CF_BELLPRIV,
  CF_CASEFIRST,
  CF_AUTORECONN,
  CF_KEEPALIVE
} confopt;

/* format strings */
typedef enum {
  FS_PLAIN,
  FS_CHAN,
  FS_PRIV,
  FS_SERV,
  FS_GLOB,
  FS_DBG,
  FS_ERR,
  FS_IDLE,
  FS_TIME,
  FS_CONSOLETIME,
  FS_TOPICW,
  FS_NOTOPICW,
  FS_CONSOLE,
  FS_CONNECTED,
  FS_CANTCONNECT,
  FS_TOPIC,
  FS_NOTOPIC,
  FS_CHGTOPIC,
  FS_USONLINE,
  FS_USMATCH,
  FS_SIGNON,
  FS_SIGNOFF,
  FS_JOIN,
  FS_LEAVE,
  FS_NICKCHANGE,
  FS_UNKNOWNMSG,
  FS_BOGUSMSG,
  FS_RXPUBURL,
  FS_MYPUBURL,
  FS_RXPUBMSG,
  FS_MYPUBMSG,
  FS_TXPUBMSG,
  FS_RXPRIVMSG,
  FS_TXPRIVMSG,
  FS_BGPRIVMSG,
  FS_PUBTHOUGHT,
  FS_TXPUBTHOUGHT,
  FS_TXPUBNTHOUGHT,
  FS_PUBACTION,
  FS_TXPUBACTION,
  FS_BGTXPUBACTION,
  FS_COMMAND,
  FS_LOCALCOMMAND,
  FS_BOGUSCOMMAND,
  FS_SBINF,
  FS_MISSTYPED,
  FS_UNKNCMD,
  FS_BADREGEX,
  FS_ERR_STRING
} formtstr;

/* configoption structure */
struct configoption {
  confopt id;
  conftype type;
  char *varname;
  char *defaultvalue;
  char *value;
  union {
    char **pstr;
    unsigned int *pint;
  } localvar;
};

typedef struct configoption configoption;

/* format strings */
struct formatstring {
  formtstr id;
  char *idstring;
  char *formatstr;
};
typedef struct formatstring formatstring;

/* static tmpstr in all modules */
#define TMPSTRSIZE 1024
static char tmpstr[TMPSTRSIZE];

extern unsigned int loggedin;
extern unsigned int want_tcp_keepalive;

/* vchat-client.c */
#define ERRSTRSIZE 1024
extern char errstr[];
extern const char *vchat_cl_version;
void loadcfg(char *file, int complain, void (*lineparser)(char *));
void loadformats(char *file);
void cleanup(int signal);

/*   configuration helper functions from vchat-client.c */
char *getformatstr(formtstr id);
char *getstroption(confopt option);
void setstroption(confopt option, char *string);
int getintoption(confopt option);
void setintoption(confopt option, int value);

/* vchat-ui.c */
extern const char *vchat_ui_version;

/*   topic and console strings */
#define TOPICSTRSIZE 1024
#define CONSOLESTRSIZE 1024
extern char topicstr[];
extern char consolestr[];
extern char *encoding;

/*   init / exit functions */
void initui(void);
void exitui(void);

/*   called from eventloop in vchat-client.c */
void userinput(void);

/*   display various messages */
int writechan(char *str);
int writepriv(char *str, int maybeep);
void writeout(const char *str);
void showout(void);
void flushout(void);
#define msgout(STR)                                                            \
  {                                                                            \
    flushout();                                                                \
    writeout(STR);                                                             \
    showout();                                                                 \
  }
void hideout(void);
int writecf(formtstr id, char *str);

extern int outputcountdown;

/*   update console / topic window */
void consoleline(char *);
void topicline(char *);

/*   prompt for nick or password */
void nickprompt(void);
int passprompt(char *buf, int size, int rwflag, void *userdata);

/*   filter functions */
void refilterscrollback(void);

unsigned int addfilter(char colour, char *regex);
void removefilter(char *line);
void listfilters(void);
void clearfilters(char colour);

void handlequery(char *line);

/* vchat-protocol.c */
extern const char *vchat_io_version;
void protocol_parsemsg(char *message);

/*   helpers for vchat-user.c */
void ownjoin(int channel);
void ownleave(int channel);
void ownnickchange(const char *newnick);

/* vchat-commands.c */
extern const char *vchat_cm_version;
void command_version(char *tail);

/*   user input */
void handleline(char *);

/* struct for defining "/command" handlers */
typedef struct {
  int number;
  char name[10];
  int len;
  void (*handler)(char *);
  char *short_help;
  char *help;
} commandentry;

/* vchat-tls.c */
extern const char *vchat_tls_version;